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| n | a(n) |
|---|---|
| 1 | 6006 |
| 2 | 17490 |
| 3 | 67860 |
| 4 | 331674 |
| 5 | 1980902 |
| 6 | 13757850 |
| 7 | 106254070 |
| 8 | 882141222 |
| 9 | 7687451167 |
| 10 | 69242679948 |
[6006,17490,67860,331674,1980902,13757850, 106254070,882141222,7687451167,69242679948] |